Figure 8-10: T1 Trunking using an E1 Network
8.6 Trunking failover
Where the E1/T1 trunking has been configured with redundant trunks audio will
be switched from the primary trunk to the backup trunk when a failure is
detected.
When failover occurs from primary to backup there will be a three second audio
break on any route running over the trunk.
If the trunk routing is later switched back from the backup trunk to the primary
trunk there will be no loss of audio.
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